F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 35/00 (2006.01) F16B 19/05 (2006.01) F16B 21/16 (2006.01)
Patent
CA 2073200
Abstract of the Disclosure COMPRESSION RETAINED FASTENER ASSEMBLY Fasteners, such as bolts, are normally utilized to provide an arrangement to secure two members together. When working forces are applied to the assembled members trying to tear them apart, the size of the bolts and the ability to apply the proper torque to the bolts on the job site become limitations. In the subject arrangement, a fastener assembly is provided having a hollow cylindrical pin with an enlarged portion at one end and a plurality of ridges and grooves at the other end. A hollow cylindrical shear ring, having a chevron shaped cross-section taken along its longitudinal axis, is placed, during assembly, in intimate contact with the plurality of ridges and grooves. A hollow cylindrical compression ring is placed, during assembly, in contact with the hollow cylindrical shear ring. Upon application of an external force, the hollow cylindrical compression ring is forced over the hollow cylindrical shear ring causing the material of the hollow cylindrical shear ring to flow around the plurality of ridges and into the plurality of grooves to provide a positive retainer. The subject arrangement can be easily assembled and disassembled at the job site by use of a hydraulic tool assembly.
Caterpillar Inc.
Smart & Biggar
LandOfFree
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